Jim Simons’s Denison Mines DNN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$33.4M Buy
9,455,713
+6,934,400
+275% +$26.1M 0.05% 452
2025
Q4
$6.71M Sell
2,521,313
-10,647,700
-81% -$29M 0.01% 1140
2025
Q3
$36.2M Buy
13,169,013
+8,016,612
+156% +$17.7M 0.05% 462
2025
Q2
$9.38M Sell
5,152,401
-6,924,521
-57% -$10.5M 0.01% 1096
2025
Q1
$15.7M Buy
12,076,922
+10,108,509
+514% +$16.9M 0.02% 768
2024
Q4
$3.54M Buy
+1,968,413
New +$4.14M 0.01% 1660
2024
Q2
Sell
-89,400
Closed -$175K 3583
2024
Q1
$175K Sell
89,400
-622,913
-87% -$1.18M ﹤0.01% 3255
2023
Q4
$1.26M Buy
+712,313
New +$1.19M ﹤0.01% 2253
2023
Q2
Sell
-650,760
Closed -$709K 3996
2023
Q1
$709K Buy
650,760
+257,247
+65% +$318K ﹤0.01% 2684
2022
Q4
$452K Buy
+393,513
New +$466K ﹤0.01% 3002
2022
Q3
Sell
-1,470,420
Closed -$1.43M 4085
2022
Q2
$1.43M Buy
1,470,420
+468,707
+47% +$601K ﹤0.01% 2451
2022
Q1
$1.6M Sell
1,001,713
-4,557,512
-82% -$6.43M ﹤0.01% 2397
2021
Q4
$7.62M Buy
5,559,225
+1,713,612
+45% +$2.81M 0.01% 1226
2021
Q3
$5.62M Buy
+3,845,613
New +$4.67M 0.01% 1388
2021
Q1
Sell
-776,500
Closed -$502K 3392
2020
Q4
$502K Buy
776,500
+592,000
+321% +$254K ﹤0.01% 2813
2020
Q3
$75K Buy
+184,500
New +$83.3K ﹤0.01% 3248
2019
Q3
Sell
-90,100
Closed -$48K 3469
2019
Q2
$48K Sell
90,100
-198,900
-69% -$104K ﹤0.01% 3458
2019
Q1
$150K Buy
289,000
+37,100
+15% +$19.2K ﹤0.01% 3249
2018
Q4
$117K Sell
251,900
-313,800
-55% -$179K ﹤0.01% 3213
2018
Q3
$376K Buy
565,700
+211,499
+60% +$108K ﹤0.01% 2937
2018
Q2
$176K Buy
+354,201
New +$174K ﹤0.01% 3090
2017
Q3
Sell
-313,200
Closed -$135K 3231
2017
Q2
$135K Sell
313,200
-206,500
-40% -$105K ﹤0.01% 3050
2017
Q1
$321K Buy
519,700
+395,400
+318% +$272K ﹤0.01% 2890
2016
Q4
$64K Sell
124,300
-64,040
-34% -$29.7K ﹤0.01% 3144
2016
Q3
$88K Buy
188,340
+117,774
+167% +$60.9K ﹤0.01% 3190
2016
Q2
$39K Sell
70,566
-940,934
-93% -$520K ﹤0.01% 3250
2016
Q1
$569K Buy
1,011,500
+844,000
+504% +$392K ﹤0.01% 2811
2015
Q4
$85K Buy
+167,500
New +$70.3K ﹤0.01% 3128

Other funds holding DNN

Jim Simons's DNN Position: Q1 2026 in Review

Jim Simons increased its Denison Mines (DNN) stake by 275% in Q1 2026, buying an estimated $26.1M and bringing the position to 9,455,713 shares worth $33.4M. The position accounts for 0.05% of the portfolio, ranked #452.

Jim Simons first reported a position in DNN in Q4 2015 and has held it in 28 quarters since. The position peaked at $36.2M in Q3 2025. 296 funds tracked by Wall St. Rank hold DNN as of Q1 2026.

  • Jim Simons held 9,455,713 shares of Denison Mines worth $33.4M as of Q1 2026.
  • Jim Simons bought 6,934,400 Denison Mines shares in Q1 2026, an estimated $26.1M.
  • Denison Mines made up 0.05% of Jim Simons's portfolio in Q1 2026, its #452 holding.
  • Jim Simons first reported a position in Denison Mines in Q4 2015 and has held it in 28 quarters since.
  • Jim Simons's Denison Mines position peaked at $36.2M in Q3 2025.
  • 296 funds tracked by Wall St. Rank held Denison Mines as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.